Literary theory provides tools for analyzing and interpreting literature. It encompasses various approaches, from close reading to examining historical contexts. These methods help uncover deeper meanings, explore cultural influences, and challenge traditional interpretations of texts. Key theories include New Criticism, structuralism, post-structuralism, Marxism, feminism, and postcolonialism. Each offers unique perspectives on how to read and understand literature. Applying these theories can enhance critical thinking and reveal new insights into familiar works.